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CAS RN: 13528-93-3 | Product Number: B1688

1,2-Bis(chlorodimethylsilyl)ethane [Protecting Reagent for Primary Amines]


Purity: >95.0%(GC)
Synonyms:
Documents:
5G
£26.00
2   4  
25G
£129.00
2   ≥40 

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Product Number B1688
Purity / Analysis Method >95.0%(GC)
Molecular Formula / Molecular Weight C__6H__1__6Cl__2Si__2 = 215.26 
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 13528-93-3
Reaxys Registry Number 1920141
PubChem Substance ID 87564589
SDBS (AIST Spectral DB) 19610
MDL Number

MFCD00000505

Specifications
Appearance White or Colorless to Almost white or Almost colorless powder to lump to clear liquid
Purity(GC) min. 95.0 %
Properties (reference)
Melting Point 36 °C
Boiling Point 198 °C
Flash point 65 °C
GHS
Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
H290 : May be corrosive to metals.
Precautionary Statements P260 : Do not breathe dust or mist.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
Related Laws:
EC Number 236-871-0
Transport Information:
UN Number UN2987
Class 8
Packing Group II
HS Number 2931900090
Application
Protecting Silicon Reagent for Primary Amines

Typical Procedure (Protection of ethyl glycinate)1):
A solution of 1,2-bis(chlorodimethylsilyl)ethane (1.8 g, 8 mmol) in anhydrous dichloromethane (3 mL) is added via a syringe to a stirred solution of ethyl glycinate (0.75 g, 8 mmol) in dichloromethane (5 mL) containing triethylamine (2 eq.). The mixture is stirred, under argon at room temperature for 2 hours and then poured into aqueous sodium dihydrogen phosphate (5 mL). The pure product is obtained by distillation (1.86 g, 92%), bp. 80-82 °C (0.25 mmHg).

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